From df3bcdbe887a6ea8ca275611f739e308cbfbc802 Mon Sep 17 00:00:00 2001
From: Artem Titov <titovartem@webrtc.org>
Date: Tue, 26 Jun 2018 14:12:18 +0200
Subject: [PATCH] Extract fft4g into separate build target

common_audio/fft4g.c is third party codem that have to be moved into
third_party folder, so to be able to do it at first we have to extract
it into separate target. It is extracted with corresponding header file
and will be moved in futher CL.

Bug: webrtc:8366
Change-Id: I586ca94d4e9242c23163b987fa334dfa705020ed
Reviewed-on: https://webrtc-review.googlesource.com/85372
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23742}
---
 common_audio/BUILD.gn                 | 12 ++++++++++--
 modules/audio_processing/BUILD.gn     |  2 ++
 modules/audio_processing/vad/BUILD.gn |  1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/common_audio/BUILD.gn b/common_audio/BUILD.gn
index 89ede3884a..63756a43f3 100644
--- a/common_audio/BUILD.gn
+++ b/common_audio/BUILD.gn
@@ -61,6 +61,7 @@ rtc_static_library("common_audio") {
 
   deps = [
     ":common_audio_c",
+    ":fft4g",
     ":sinc_resampler",
     "..:webrtc_common",
     "../:typedefs",
@@ -130,8 +131,6 @@ rtc_source_set("common_audio_c_arm_asm") {
 rtc_source_set("common_audio_c") {
   visibility += webrtc_default_visibility
   sources = [
-    "fft4g.c",
-    "fft4g.h",
     "ring_buffer.c",
     "ring_buffer.h",
     "signal_processing/auto_corr_to_refl_coef.c",
@@ -216,6 +215,7 @@ rtc_source_set("common_audio_c") {
   deps = [
     ":common_audio_c_arm_asm",
     ":common_audio_cc",
+    ":fft4g",
     "..:webrtc_common",
     "../:typedefs",
     "../rtc_base:checks",
@@ -227,6 +227,14 @@ rtc_source_set("common_audio_c") {
   ]
 }
 
+rtc_source_set("fft4g") {
+  visibility += webrtc_default_visibility
+  sources = [
+    "fft4g.c",
+    "fft4g.h",
+  ]
+}
+
 rtc_source_set("common_audio_cc") {
   sources = [
     "signal_processing/dot_product_with_scale.cc",
diff --git a/modules/audio_processing/BUILD.gn b/modules/audio_processing/BUILD.gn
index b5565fcfcc..89493ec712 100644
--- a/modules/audio_processing/BUILD.gn
+++ b/modules/audio_processing/BUILD.gn
@@ -123,6 +123,7 @@ rtc_static_library("audio_processing") {
     "../../api/audio:echo_control",
     "../../audio/utility:audio_frame_operations",
     "../../common_audio:common_audio_c",
+    "../../common_audio:fft4g",
     "../../rtc_base:checks",
     "../../rtc_base:deprecation",
     "../../rtc_base:gtest_prod",
@@ -268,6 +269,7 @@ rtc_source_set("audio_processing_c") {
     "../..:webrtc_common",
     "../../common_audio",
     "../../common_audio:common_audio_c",
+    "../../common_audio:fft4g",
     "../../rtc_base:checks",
     "../../rtc_base:rtc_base_approved",
     "../../system_wrappers:cpu_features_api",
diff --git a/modules/audio_processing/vad/BUILD.gn b/modules/audio_processing/vad/BUILD.gn
index ae2a84d57c..e16b57f8f3 100644
--- a/modules/audio_processing/vad/BUILD.gn
+++ b/modules/audio_processing/vad/BUILD.gn
@@ -39,6 +39,7 @@ rtc_static_library("vad") {
     "../../../audio/utility:audio_frame_operations",
     "../../../common_audio",
     "../../../common_audio:common_audio_c",
+    "../../../common_audio:fft4g",
     "../../../rtc_base:checks",
     "../../audio_coding:isac_vad",
   ]